WO2012171225A1 - Procédé et dispositif de communication virtuelle entre de multiples entrées et de multiples sorties - Google Patents

Procédé et dispositif de communication virtuelle entre de multiples entrées et de multiples sorties Download PDF

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Publication number
WO2012171225A1
WO2012171225A1 PCT/CN2011/075889 CN2011075889W WO2012171225A1 WO 2012171225 A1 WO2012171225 A1 WO 2012171225A1 CN 2011075889 W CN2011075889 W CN 2011075889W WO 2012171225 A1 WO2012171225 A1 WO 2012171225A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
user
power
antenna group
sector
Prior art date
Application number
PCT/CN2011/075889
Other languages
English (en)
Chinese (zh)
Inventor
张华炜
楼群芳
夏斌
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2011/075889 priority Critical patent/WO2012171225A1/fr
Priority to CN201180000964.0A priority patent/CN102439867B/zh
Priority to KR1020137034818A priority patent/KR101495198B1/ko
Priority to EP11867716.0A priority patent/EP2713539B1/fr
Publication of WO2012171225A1 publication Critical patent/WO2012171225A1/fr
Priority to US14/107,633 priority patent/US9020060B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/121—Wireless traffic scheduling for groups of terminals or users
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams

Definitions

  • Embodiments of the present invention relate to the field of wireless communications, and more particularly, to a virtual MIMO communication method and apparatus. Background technique
  • the VMIMO Virtual Multiple-Input Multiple-Output
  • UE User Equipment
  • the time-frequency resource achieves space division multiplexing of time-frequency resources, thereby increasing the capacity of the uplink system.
  • the existing VMIMO communication method needs to search for the currently scheduled user equipment and the remaining unscheduled user equipment when performing user equipment pairing.
  • Each currently scheduled user equipment needs to perform a pairing attempt with all other unscheduled user equipments and save the corresponding pairing metrics (e.g., orthogonality, capacity gain, PF priority).
  • the pairing combination with the largest metric value is determined as the paired user equipment in the VMIMO communication method.
  • the time-frequency resources in the sector can be scheduled for use by M user equipments. After the M user equipments have been tuned, it is assumed that the remaining N user equipments are not allocated resources.
  • the N unscheduled user equipments serve as alternate paired user equipments of the scheduled M user equipments, that is, each of the scheduled M user equipments can try each of the N user equipments.
  • User devices are paired. It can be seen that when the number of user equipments is large (for example, the number of unscheduled user equipments N is large), the amount of calculation for attempting to pair user equipments is very large, and the requirements for implementation complexity of products are also high. Summary of the invention
  • the embodiment of the invention provides a virtual multi-input and multi-output VMIMO communication method and device, which can improve the efficiency of user equipment pairing.
  • a user equipment pairing method including: determining a set to which a user equipment in a sector belongs, the set to which the user equipment belongs includes a first user set and a second user set, first The user equipment in the user set is located in the beam coverage area of the first antenna group in the sector but not in the beam coverage area of the second antenna group in the sector, and the user equipment in the second user set is located in the second antenna group.
  • the beam coverage area is not located in the beam coverage area of the first antenna group; when the scheduled user equipment belongs to the first user set, the unscheduled user equipment is selected from the second user set for pairing, wherein the paired user
  • the device uses the same time-frequency resources as the scheduled user equipment.
  • an apparatus including: a determining unit, configured to determine a set to which a user equipment in a sector belongs, where the set of the user equipment includes a first user set and a second user set, where the first user set The user equipment is located in a beam coverage area of the first antenna group in the sector but not in a beam coverage area of the second antenna group in the sector, and the user equipment in the second user set is located in a beam coverage area of the second antenna group.
  • the pairing unit is configured to: when the scheduled user equipment belongs to the first user set, select an unscheduled user equipment from the second user set to perform pairing, where the pairing The user equipment uses the same time-frequency resources as the scheduled user equipment.
  • the embodiment of the present invention first performs group classification on the user equipment, and when the user equipment is paired, the unscheduled user equipment that is not in the same set as the scheduled user equipment is selected for pairing, thereby saving pairing.
  • the amount of calculation increases the pairing efficiency of the user equipment.
  • FIG. 1 is a schematic flow chart of a user equipment pairing method according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an example of a beam coverage area in accordance with an embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of an example of a process of determining a set to which a user equipment belongs according to an embodiment of the present invention.
  • FIG. 4 is a schematic flow diagram of an example of a user equipment pairing process in accordance with an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an example of a beam coverage area according to an embodiment of the present invention.
  • FIG. 6 is a schematic block diagram of an apparatus in accordance with an embodiment of the present invention. detailed description
  • the present invention provides a user equipment set classification scheme based on the beam coverage range, which can reduce the calculation amount of the pairing processing in the VMIMO communication method, in view of the problem that the amount of calculation is large when the user equipment is paired in the existing VMIMO communication method.
  • FIG. 1 is a schematic flow chart of a user equipment pairing method according to an embodiment of the present invention.
  • the method of Figure 1 is performed by a device (e.g., a base station, an eNodeB, or a baseband processing unit in a distributed base station scenario, etc.).
  • a device e.g., a base station, an eNodeB, or a baseband processing unit in a distributed base station scenario, etc.
  • the 101 Determine a set to which the user equipment in the sector belongs, where the set of the user equipment includes a first user set and a second user set, where the user equipment in the first user set is located in a beam coverage area of the first antenna group in the sector.
  • the user equipment in the second user group is located in the beam coverage area of the second antenna group but not in the beam coverage area of the first antenna group.
  • the unscheduled user equipment is selected from the second user set for pairing, where the paired user equipment uses the same time-frequency resource as the scheduled user equipment.
  • the embodiment of the present invention first performs group classification on the user equipment, and when the user equipment is paired, the unscheduled user equipment that is not in the same set as the scheduled user equipment is selected for pairing, thereby saving pairing.
  • the amount of calculation increases the pairing efficiency of the user equipment.
  • first and second used in the embodiment of Fig. 1 do not limit the scope of the invention.
  • the first set of users and the second set of users can be interchanged.
  • the unscheduled user equipment is selected from the first user set for pairing.
  • a sector in the embodiment of the present invention may refer to a sector in a scenario in which one sector is composed of three sectors, or a sector in a scenario in which one cell is composed of other numbers of sectors (for example, six sectors).
  • the present invention does not limit the specific division manner of sectors, but can include any number in one cell.
  • a scenario in which one sector is composed of three sectors is shown as 21, 22, and 23 in FIG. 2 is a schematic diagram of an example of a beam coverage area in accordance with an embodiment of the present invention.
  • Beam coverage areas W1 and W2 in sector 21 are schematically depicted in FIG.
  • the beam coverage areas W1 and W2 respectively correspond to different antenna groups on one sector of the base station, and the overlapping areas of the beam coverage areas W1 and W2 of the two antenna groups are W3.
  • the user equipment in the first user set C1 is located in an area other than the area W3 (referred to as area W1-W3) in the beam coverage area W1, and the second user set C2
  • W2-W3 the number of user equipments in the areas W1-W3 do not need to belong to the first user set C1, and all user equipments in the area W2-W3 do not need to belong to the second user set C2.
  • the embodiment of the present invention only requires that the user equipments in the two user sets C1 and C2 are respectively located in the two non-overlapping areas W1-W3 and W2-W3.
  • the user equipment in the user set C1 may be made only in the sub-areas of the areas W1-W3.
  • other user equipments other than the user equipment in the first user set C1 and the second user set C2 in one sector may be classified into the third user set E, that is, the third
  • the user equipment in the user set E is another user equipment in the sector that does not belong to the first user set C1 and the second user set C2.
  • FIG. 3 is a schematic flow chart showing an example of a process (101 of FIG. 1) for determining a set to which a user equipment belongs according to an embodiment of the present invention.
  • the first power of the signal of the user equipment received by the first antenna group is measured, and the second power of the signal of the same user equipment received by the second antenna group is measured, and according to the first power and the second The power determines the set to which the user equipment belongs.
  • the embodiment of the present invention is not limited thereto, for example, the ratio of the power may be used and/or the other parameters may be used to determine the belonging of the user equipment.
  • the collections all of which fall within the scope of embodiments of the invention.
  • P1 and P2 determine which of P1 and P2 is larger. If P1 is larger, it indicates that the received power on the first antenna group is much larger than the received power on the second antenna group, and proceeds to 305, determining that the user equipment belongs to the first user set C1 corresponding to the first antenna group, and is located in the area. W1-W3 (refer to Figure 2). On the other hand, if P2 is larger, indicating that the received power on the second antenna group is much larger than the received power on the first antenna group, proceeding to 306, determining that the user equipment belongs to the second user set corresponding to the second antenna group. C2, located in the area W2-W3 (refer to Figure 2).
  • user equipments in different user sets correspond to different antenna groups. Therefore, if user equipments of different user sets are selected for pairing, the paired user equipment can use the same time-frequency resource when implementing space division multiplexing of time-frequency resources.
  • the user equipment is classified into one of three user sets, but the embodiment of the invention is not limited thereto.
  • the predetermined threshold is 0, the process 302-303 may not be performed, and the size relationship between P1 and P2 may be directly determined at 304. In other words, the third user set E is not considered at this time.
  • the user equipment pairing is performed according to the set to which the user equipment belongs.
  • 4 is a schematic flow chart of an example of a user equipment pairing process (102 of FIG. 1) according to an embodiment of the present invention.
  • the embodiment of Figure 4 selects the paired user equipment in the manner described below in the manner of 402a-402c, respectively, based on the set to which the scheduled user equipment belongs.
  • 402c When the scheduled user equipment belongs to the third user set E, do not pair the scheduled user equipment, or select the unadjusted from the first user set C1 and the second user set C2. Paired user devices are paired. 402c is an optional process, and 402c may not be executed when the set to which the user equipment belongs does not include the third user set. When the scheduled user equipment belongs to the third user set, the scheduled user equipment is not paired, thereby reducing the interference caused by the user equipment pairing of the set E, and improving the performance of the sector edge user.
  • the foregoing predetermined matching criterion may be an existing VMIMO user equipment pairing criterion, and may use a pairing criterion in the prior art, for example, may include orthogonality criteria, capacity criterion, and PF (Proportional Fair). Guidelines, etc.
  • the orthogonality criterion is the most basic pairing algorithm.
  • the general principle is that user equipment with high orthogonality is preferentially paired.
  • the paired metric obtained under this criterion represents orthogonality.
  • the capacity criterion calculates the capacity gain or spectral efficiency gain of the paired user equipment, and preferentially pairs the user equipment with large gain.
  • the pairing metric obtained under this criterion represents the capacity gain or the spectral efficiency gain.
  • the PF criterion calculates the paired PF priority and pairs the user equipment with high priority.
  • the pairing metric obtained under this criterion indicates the PF priority.
  • Pair the user equipment with the largest pairing metric obtained in 402 with the scheduled user equipment that is, the paired user equipment uses the same time-frequency resource as the scheduled user equipment.
  • a scheduled user equipment of the user equipments when the scheduled user equipment belongs to the first user set C1, only the paired user equipments are selected from the ⁇ 2 unscheduled user equipments belonging to the second user set C2. Instead of selecting from all of the unscheduled user devices, the computational complexity of the pairing algorithm is reduced, and the pairing efficiency of the user equipment is improved.
  • the embodiment of the present invention optimizes the pairing process in the VMIMO communication method, and only needs to perform pairing search on the candidate user equipment in the unscheduled user equipment set, which greatly reduces the range of the paired search user equipment, and makes the search complicated. Degree is reduced.
  • the beam coverage area may be a beam coverage area formed by the antennas of the actual group, and each beam coverage area corresponds to the actual grouping. Each antenna group.
  • the beam coverage area may also be a beam coverage area formed by beam weighting a coverage area of one sector, where each weighted beam coverage area corresponds to a part of all antennas of one sector.
  • FIG. 5 is a schematic diagram of an example of a beam coverage area according to an embodiment of the present invention.
  • the first antenna group and the second antenna group may be antennas actually grouped in the application, for example, further dividing one sector into two beam coverage areas (ie, 6 sector configuration) Two directional antenna groups pointing differently, or different antenna groups of splitting antennas installed in the same housing.
  • Part (A) of Fig. 5 is an actual narrow beam pattern formed by two directional antenna groups in one sector in a 6-sector configuration
  • part (B) of Fig. 5 is an actual formation of two antenna groups of a split antenna Narrow beam pattern. The two actual narrow beams still belong to the same sector, and the user equipment in the sector only needs to switch between beams without switching between sectors.
  • the first antenna group and the second antenna group in the embodiment of the present invention may also be two dual-polarized antenna groups of the same sector, and each dual-polarized antenna group includes one dual-polarized antenna.
  • the beam coverage area of the antenna group can be similarly assigned to the narrow beam pattern by using the beam weighting technique on the basis of the 3-sector pattern.
  • the ordinary 3-sector 70-degree antenna pattern can be approximated.
  • Two 35 degree antenna patterns are formed.
  • W1 and W2 are two narrow beam coverages that are approximately shaped.
  • the two shaped narrow beams are still attributed to the same sector, and the user equipment in the sector only needs to switch between beams, and does not need to switch between sectors.
  • FIG. 6 is a schematic block diagram of an apparatus in accordance with an embodiment of the present invention.
  • An example of the device 600 of Figure 6 is a baseband processing unit in a base station eNB or a distributed base station scenario.
  • Apparatus 600 includes a determination unit 610 and a pairing unit 620.
  • the determining unit 610 determines a set to which the user equipment in the sector belongs, and the set to which the user equipment belongs includes a first user set and a second user set, where the user equipment in the first user set is located in the first antenna group of the sector. In the area, but not in the beam coverage area of the second antenna group in the sector, the user equipment in the second user set is located in the beam coverage area of the second antenna group but not in the beam coverage area of the first antenna group.
  • the pairing unit 620 selects an unscheduled user equipment from the second user set for pairing when the scheduled user equipment belongs to the first user set, where the paired user equipment uses the same time-frequency resource as the scheduled user equipment.
  • the embodiment of the present invention first performs group classification on them.
  • the user equipment is paired, only the unscheduled user equipments that are not in the same set as the scheduled user equipment are selected for pairing, thereby saving pairing.
  • the amount of calculation increases the matching efficiency of the user equipment.
  • the set to which the user equipment belongs further includes a third user set.
  • the third set of users is a user equipment within the sector that does not belong to the first set of users and the second set of users.
  • the pairing unit 620 is further configured to: when the scheduled user equipment belongs to the third user set, do not pair the scheduled user equipment, or select an unscheduled user equipment from the first user set and the second user set. Pair it.
  • the determining unit 610 measures a first power of the signal of the user equipment received by the first antenna group, and measures a second power of the signal of the user equipment received by the second antenna group, and A set to which the user equipment belongs is determined according to the first power and the second power.
  • the determining unit 610 can determine the set to which the user equipment belongs based on the difference between the first power and the second power according to the method illustrated in FIG. Specifically, when the absolute value of the difference between the first power and the second power is less than a predetermined threshold, the determining unit 610 determines that the user equipment belongs to the third user set.
  • the determining unit 610 determines that the user equipment belongs to the first set of users.
  • the determining unit 610 determines that the user equipment belongs to the second set of users.
  • the associated set for example similar to the method of Figure 3, determines the set to which the user equipment belongs based on the ratio of the first power to the second power.
  • the pairing unit 620 calculates, when the scheduled user equipment belongs to the first user set, the pairing of each user equipment in the second user set with the scheduled user equipment according to the predetermined pairing criterion. A metric, and pairing the user device with the largest pairing metric in the second user set with the scheduled user device. Since the names of the first user set and the second user set are interchangeable, the pairing unit 620 calculates, when the scheduled user equipment belongs to the second user set, each user equipment in the first user set and the The paired metric of the scheduled user equipment, and the user equipment with the largest pairing metric in the first user set The scheduled user equipment is paired. For example, the pairing unit 620 selects the paired user equipment according to the method shown in FIG.
  • Embodiments of the present invention may group antennas in different manners.
  • the first antenna group and the second antenna group respectively correspond to two directional antenna groups of different directions of the same sector ((A) of FIG. 5), or the first antenna group and the second antenna group respectively correspond to the same fan.
  • Two antenna groups of the split antenna of the area ((B) of FIG. 5), or the first antenna group and the second antenna group are respectively two dual-polarized antenna groups of the same sector, and each dual-polarized antenna group A pair of dual-polarized antennas is included ((C) of Fig. 5).
  • the embodiment of the present invention optimizes the pairing process in the VMIMO communication method, and only needs to perform pairing search on the candidate user equipment in the unscheduled user equipment set, which greatly reduces the range of the paired search user equipment, and makes the search complicated. Degree is reduced.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or part of the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un dispositif de communication virtuelle entre de multiples entrées et de multiples sorties. Le procédé comprend une première étape (101) consistant à déterminer des groupes d'utilisateurs auxquels appartiennent les dispositifs d'utilisateurs dans un secteur, les groupes d'utilisateurs se divisant en des premier et second groupes, les dispositifs d'utilisateurs du premier groupe d'utilisateurs se trouvant dans la zone de couverture par faisceau d'un premier groupe d'antennes dans le secteur mais pas dans la zone de couverture par faisceau d'un second groupe d'antennes dans le secteur, et les dispositifs d'utilisateurs du second groupe d'utilisateurs se trouvant dans la zone de couverture par faisceau du second groupe d'antennes mais pas dans la zone de couverture par faisceau du premier groupe d'antennes. Le procédé comprend en outre une seconde étape (102) consistant à sélectionner un dispositif d'utilisateur non ordonnancé à partir du second groupe d'utilisateurs de manière à opérer un couplage par paire lorsque le dispositif d'utilisateur ordonnancé appartient au premier groupe d'utilisateurs, le dispositif d'utilisateur sélectionné pour le couplage par paire utilisant les mêmes ressources en temps et en fréquence que le dispositif d'utilisateur ordonnancé. Pour les dispositifs d'utilisateurs dans un secteur, lors d'un couplage par paire d'un dispositif d'utilisateur, seuls sont sélectionnés les dispositifs d'utilisateurs non ordonnancés qui ne font pas partie du même groupe que les dispositifs d'utilisateurs ordonnancés, de sorte que la quantité de calcul s'en trouve réduite.
PCT/CN2011/075889 2011-06-17 2011-06-17 Procédé et dispositif de communication virtuelle entre de multiples entrées et de multiples sorties WO2012171225A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/CN2011/075889 WO2012171225A1 (fr) 2011-06-17 2011-06-17 Procédé et dispositif de communication virtuelle entre de multiples entrées et de multiples sorties
CN201180000964.0A CN102439867B (zh) 2011-06-17 2011-06-17 虚拟多入多出通信方法和设备
KR1020137034818A KR101495198B1 (ko) 2011-06-17 2011-06-17 가상의 다중입력 다중출력 통신 방법 및 장치
EP11867716.0A EP2713539B1 (fr) 2011-06-17 2011-06-17 Procédé et dispositif de communication virtuelle entre de multiples entrées et de multiples sorties
US14/107,633 US9020060B2 (en) 2011-06-17 2013-12-16 Virtual multiple-input multiple-output communication method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/075889 WO2012171225A1 (fr) 2011-06-17 2011-06-17 Procédé et dispositif de communication virtuelle entre de multiples entrées et de multiples sorties

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US14/107,633 Continuation US9020060B2 (en) 2011-06-17 2013-12-16 Virtual multiple-input multiple-output communication method and device

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WO2012171225A1 true WO2012171225A1 (fr) 2012-12-20

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US (1) US9020060B2 (fr)
EP (1) EP2713539B1 (fr)
KR (1) KR101495198B1 (fr)
CN (1) CN102439867B (fr)
WO (1) WO2012171225A1 (fr)

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JP2014027608A (ja) * 2012-07-30 2014-02-06 Ntt Docomo Inc 基地局装置、ユーザ端末、通信システム及び通信制御方法
CA2886080C (fr) * 2012-10-12 2018-01-02 Jing Yang Procede, appareil et station de base permettant d'ameliorer la capacite d'utilisateur dans un secteur physique
CN103906252B (zh) * 2012-12-28 2017-11-28 华为技术有限公司 虚拟多输入多输出用户配对方法、系统及基站
EP3035727B1 (fr) * 2013-10-22 2018-01-31 Huawei Technologies Co., Ltd. Procédé de répartition d'antenne, et contrôleur, dans un système d'antenne active
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